railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Time and Work Work Efficiency
A boy does \(\frac{1}{4}\)th of the work done by a man in the same time. 15 men complete a particular work in 17 days. If 3 men are replaced by 3 boys, the work will be completed in:
1
18 days
2
20 days
3
24 days
4
22 days